电网ETF（561380）涨超1.1%，近20日净流入近4亿元，绿电输送与设备升级成焦点

Group 1 - The core viewpoint is that the penetration rate of renewable energy is increasing, leading to a critical point where wind and solar power generation accounts for 15% of the system cost, and a turning point for flexibility resource demand at 20% [1] - The investment in the power grid is entering a growth cycle, with a projected year-on-year increase of 15.3% in 2024, and the State Grid plans to invest over 650 billion yuan in 2025 [1] - The construction of the national unified electricity market is key to addressing the mismatch between wind and solar resources and load centers [1] Group 2 - The electricity spot market construction is accelerating, which will promote the transition of the electricity pricing mechanism from a multi-track system to a single-track system, facilitating the absorption of renewable energy [1] - The electricity system needs to build an ecosystem that includes various flexible resources such as nuclear power, coal power transformation, and energy storage, with grid expansion being an important flexible resource [1] - The Electric Grid ETF (561380) tracks the Hang Seng A-share Electric Grid Equipment Index (HSCAUPG), which reflects the overall performance of listed companies in the electric grid equipment sector [1]